---
title: "Iphone 11 Pro Max Charging Case — $15K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/cell-phones-accessories/iphone-11-pro-max-charging-case"
last_updated: "2026-08-09T19:57:10.306Z"
locale: en
meta:
description: "Niche score 36/100 · $15K/yr market · 12K searches/yr · $29.86 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · $15K/yr market · 12K searches/yr · $29.86 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Iphone 11 Pro Max Charging Case — $15K/yr Amazon US Niche (2026) - Flapen"
---
# **iphone 11 pro max charging case**
**Skip it**
A small market ($15K/yr) — this niche doesn't clear our bar today.
Market size 4Growth 15Conversion 49Competition 12Returns 45Price range 90Avg price 95Brand share 17Review moat 43Quality gap 88
**Avg price**
**Incredible****$29.86**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.24–$100.05**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Okay****3.9%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Okay****3.4%**
return rate — above 5% kills the launch gate
**Review moat**
**Okay****2,162.2**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-19.4%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****85%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$15K**
$15K/yr · 12K searches
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, iphone 11 pro max charging case is a $15K/yr Amazon United States market (12K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 36/100.
Data updated Jul 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **iphone 11 pro max charging case market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$15K–$22K**
- units × avg price
- **Conversion rate**
- **3.9%**
- **Avg BSR**
- **#5,118**
- **Page quality**
- **0%**
- **Prime**
- **90%**
- **Sponsored**
- **70%**
- **Out of stock**
- **4.3%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **190 days**
## **Competition & brand share**
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▲rising
**Sellers**
**22**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**85%**
Top 20: 100%
**Open market**
**4%**
- YINGYKJ40% - Tayte20% - mophie16% - Apple12% - Sitong5% - SUPFINE3% - Open — no brand owns it (2 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 103 weeks — -19.4% search growth over the last 90 days.
700500Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul, Aug · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/cell-phones-accessories/iphone-11-pro-max-charging-case/trend)
## **Top iphone 11 pro max charging case search terms**
- **iphone 11 pro max battery case**6K/yr-15.2%4.2% conv. - **iphone 11 pro max charging case**5K/yr-28.9%2.4% conv. - **iphone 11 pro max charger case**2K/yr-10.7%4.3% conv. [**All search terms **](https://flapen.com/research/us/cell-phones-accessories/iphone-11-pro-max-charging-case/search-terms)
## **Top iphone 11 pro max charging case products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$1K20%$3K30%$4K40%$6K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Battery Case for iPhone 11 Pro Max 10000mAh Ultra Thin Portable Protective Smart Charging Case Compatible with iPhone 11 Pro Max (6.5 inch) Rechargeable Extended Battery Charger (Black)**YINGYKJ**$28.60**4.0★186 rev](https://www.amazon.com/dp/B0CJBSZJK2) [2**Upgraded 10000mAh High Capacity Rechargeable Portable Protective Extended Charger for iPhone 11 Pro Max (6.5 inch) - Compatible with iPhone 11 Pro Max - Charging Case & Carplay (Black)**Tayte**$27.89**4.0★71 rev](https://www.amazon.com/dp/B0CCSBG5NS) [3**Apple iPhone 11 Pro Max Smart Battery Silicone Case with Wireless Charging - Black**Apple**$100.05**4.5★1,624 rev](https://www.amazon.com/dp/B081SHVB2F) [4**Mophie 401004517 Juice Pack Access - Ultra-Slim Wireless Charging Battery Case - Made For Apple Iphone 11 Pro Max - Blush Pink**mophie**$19.55**3.8★1,608 rev](https://www.amazon.com/dp/B07Z9VDQKJ) [5**Sitong Battery Case for iPhone 11 Pro Max 6000mAh Rechargeable Extended Battery Charging Charger Case Add 110% Extra Juice Support Wired Headphones Black**Sitong**$34.60**3.7★28 rev](https://www.amazon.com/dp/B09MKDDN46)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Sitong Battery Case for iPhone 11 Pro Max 6000mAh Rechargeable Extended Battery Charging Charger Case Add 110% Extra Juice Support Wired Headphones Black**Sitong**$34.60**28 rev1y ago](https://www.amazon.com/dp/B09MKDDN46) [![jaroco Magnetic for iPhone 11 Pro Max Case [Compatible with MagSafe][Military Grade Drop Protection][Heavy Duty Protection][Non-Slip][Shockproof] 2-Layer Durable Bumper Phone Case 6.5-Black](https://m.media-amazon.com/images/I/41NgrPhaSCL.jpg)**jaroco Magnetic for iPhone 11 Pro Max Case \[Compatible with MagSafe\]\[Military Grade Drop Protection\]\[Heavy Duty Protection\]\[Non-Slip\]\[Shockproof\] 2-Layer Durable Bumper Phone Case 6.5-Black**jaroco**$9.24**11,796 rev1y ago](https://www.amazon.com/dp/B0F48D41JG) [**SUPFINE Magnetic for iPhone 11 Pro Max Case (Compatible with MagSafe) (Military Grade Drop Protection) Translucent Matte Shockproof Phone Cover Black**SUPFINE**$9.42**3,061 rev1y ago](https://www.amazon.com/dp/B0D9LF8G8H) [**Battery Case for iPhone 11 Pro Max 10000mAh Ultra Thin Portable Protective Smart Charging Case Compatible with iPhone 11 Pro Max (6.5 inch) Rechargeable Extended Battery Charger (Black)**YINGYKJ**$28.60**186 rev2y ago](https://www.amazon.com/dp/B0CJBSZJK2) [**Upgraded 10000mAh High Capacity Rechargeable Portable Protective Extended Charger for iPhone 11 Pro Max (6.5 inch) - Compatible with iPhone 11 Pro Max - Charging Case & Carplay (Black)**Tayte**$27.89**71 rev2y ago](https://www.amazon.com/dp/B0CCSBG5NS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Apple iPhone 11 Pro Max Smart Battery Silicone Case with Wireless Charging - Black**Apple**$100.05**4.5★**▲ 329%**](https://www.amazon.com/dp/B081SHVB2F) [**Mophie 401004408 Juice Pack Access - Ultra-Slim Wireless Charging Battery Case - Made for Apple iPhone 11 Pro Max - Product(Red)**mophie**$34.77**3.8★**▲ 100%**](https://www.amazon.com/dp/B07Z9V3JWN) [**Encased Belt Clip Compatible with Apple Smart Battery Case - iPhone 11 Pro Max (Holster Only - Case not Included)**ENCASED**$16.42**4.1★**▲ 78%**](https://www.amazon.com/dp/B08Y2LP9DW) [**Mophie 401004517 Juice Pack Access - Ultra-Slim Wireless Charging Battery Case - Made For Apple Iphone 11 Pro Max - Blush Pink**mophie**$19.55**3.8★**▲ 62%**](https://www.amazon.com/dp/B07Z9VDQKJ) [**Sitong Battery Case for iPhone 11 Pro Max 6000mAh Rechargeable Extended Battery Charging Charger Case Add 110% Extra Juice Support Wired Headphones Black**Sitong**$34.60**3.7★**— 10%**](https://www.amazon.com/dp/B09MKDDN46)
**~~View all trending →~~**
## **What buyers say about iphone 11 pro max charging case**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**18%
*“good value for your money”*
**Size-Overall**12%
*“Fits perfectly”*
**Magnetic Strength/Adsorption**11%
*“This works great to pull the magnetic charger securely to your phone, not bulky, and good value for your money”*
**Drop/Impact Protection**11%
*“Elegant case that offers good protection”*
**Quality-Overall**7%
*“Still, its a good case and does its job”*
**Charging**6%
*“Charges and holds well”*
**Advertised Vs Actual Product**6%
*“Product as advertised”*
**Assembly/Installation**4%
*“Easy to install”*
**Design-Overall**3%
*“I love the clean, minimalist design”*
**Weight Light**3%
*“Its slim and lightweight so my pockets thank me”*
### **What buyers complain about **
**Charging**40%
*“Wont charge my phone anymore”*
**Durability**11%
*“Breaks easy”*
**Functionality-Overall**9%
*“not work”*
**Strength**6%
*“Breaks easy”*
**Instructions/User Manual/Troubleshooting**6%
*“Troubleshooting steps didnt help”*
**Heating**6%
*“Does not work properly freezes, overheats, and Apple tap does not Work”*
**Magnetic Strength/Adsorption**6%
*“i thought the magnet i would not work”*
**Design-Overall**4%
*“This is a terrible design”*
**Weight Heavy**3%
*“The battery pack is a bit heavier”*
### **Top return reasons **
**Size-Overall**46%
**Charging**18%
**Compatibility-Overall**17%
**Advertised Vs Actual Product**2%
**Value For Money**2%
**Magnetic Strength/Adsorption**2%
**Functionality-Overall**2%
**Defective Material/Parts**2%
**Color**1%
**Durability**1%
## **Common questions**
- **Is iphone 11 pro max charging case profitable to sell on Amazon United States?**
- The niche generates $15K/yr across 10 tracked products. 90-day search growth is -19.4%. Flapen's verdict: Skip it (36/100).
- **How competitive is the iphone 11 pro max charging case niche?**
- 8 brands and 22 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in iphone 11 pro max charging case?**
- Top complaints mined from reviews: Charging, Durability, Functionality-Overall. The return rate is 3.4%.
- **When does demand for iphone 11 pro max charging case peak?**
- Demand peaks in Jul–Aug; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the iphone 11 pro max charging case niche?**
- Listings span $9.24–$100.05; the average listing price is $29.86 (sweet spot $15–$100). The average incumbent carries 2,162 reviews — the moat a new listing must climb.
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